BM 26 W Technical Datasheet

Magnetic Level Indicator with integrated Radar Level Meter

• Ideal for tanks with obstructed environments

• Redundant measurement system

• Optional limit switches

• Easy navigation via touch screen

• PACTware and DTMs included as standard

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The redundant measurement solution

BM 26 W is based on proven bypass measurement technology. It is ideal for measuring level in a variety of

difficult conditions: foam, agitated product surface and obstructed tank environments. BM 26 W integrates

the OPTIWAVE 7300 C FMCW Radar Level Meter for distance, level and volume measurement of liquids.

Highlights

• Configured system - easy to measure

• Redundant measurement system

• Ideal for tanks with obstructed environments

• PACTware and DTMs included as standard

• Optional second current output

• Optional limit switches

• Optional approval for EEx i or EEx d applications

• Display in 9 languages: even in Chinese, Japanese

and Russian

Industries

• Oil & Gas

• Petrochemicals

• Power

• Water

• Wastewater

Applications

• Process and storage tanks

• Refineries

• Boilers

• Separators

1 2-wire radar level meter

2 Option: drains and vents

3 Option: side or inline process connection at bottom of chamber

4 Magnetically-coupled level indicator

5 Accessory: limit switches

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Level product range

Continuous measurement

1 OPTIFLEX 1300 C: The superior TDR solution

2 OPTIWAVE 7300 C: The high-performance radar solution

3 BM 26 A: The reliable float solution for liquids

4 BM 26 W/F: The bypass solution integrating either TDR (F) or radar (W) technology

5 OPTISOUND 3000 C: The ultrasonic solution for liquids and solids

Switches

1 OPTISWITCH 3000 C: The vibration switch for solids

2 OPTISWITCH 5000 C: The vibration switch for liquids

3 LS 6000: The electromagnetic limit switch for detecting the level of liquids and pastes

4 LS 7000: The conductive level switch for liquids

Other Products

1 BM 70 A/P: The reliable and precise radar solutions.

2 BM 702: The economical radar solution

3 BM 70 M: The marine and offshore radar solution

4 BW 25: The displacer-type level indicator for high-temperature and high-pressure applications

5 BM 500: The potentiometric solution for hygienic applications

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Technical Data

Input

Device Magnetic level indicator with integrated radar level meter

Function 1 K-band FMCW radar

Function 2 Float magnetically coupled to mechanical level indicator

Parameter Level, distance, volume and reflectivity

Measuring range 0.5...6 m / 1.6...20 ft

Blocking distance (radar) Antenna extension length + antenna length + 0.1 / 4"

Output

Output signal (Output 1) 4…20 mA HART® or 3.8…20.5 mA acc. to NAMUR NE 43

Output signal (Output 2) 1 4…20 mA (no HART® signal) or 3.8…20.5 mA acc. to NAMUR NE 43

Output 3 Magnetically-coupled flap indicator

Resolution ±3 µA

Temperature drift Typically 50 ppm/K

Error signal High: 22 mA; Low: 3.6 mA acc. to NAMUR NE 43

Max. Load 350 ohms at 20.5 mA with a minimum supply voltage of 17 VDC

Reference conditions acc. to EN

Temperature +20°C ±5°C / +70°F ±10°F

Pressure 1013 mbar abs. ±20 mbar / 14.69 psig ±0.29 psig

Relative air humidity 60% ±15%

Accuracy

Radar level meter

Repeatability ±1 mm / ±0.04“

Resolution ±1 mm / ±0.04“

Accuracy ±3 mm / ±0.12", when distance < 10 m / 33 ft; ±0.03% of measured distance, when distance > 10 m / 33 ft

Magnetic level indicator

Repeatability ±10mm / ±0.4"

Resolution ±10mm / ±0.4"

Accuracy ±10mm / ±0.4"

Process conditions

Ambient temperature -40…+80°C / -40…+175°F (EEx i: see supplementary operating instructions or approval certificates)

Storage temperature -40…+85°C / -40…+185°F

Flange temperature -40…+200°C / -40…+390°F (EEx i: see supplementary operating instructions or approval certificates)

Thermal shock resistance 100°C/min

Operating pressure -1…40 bar / -14.5…580 psig; subject to process connection used and flange temperature

Vibration resistance IEC 68-2-6 and EN 50178 (10...57 Hz: 0.075 mm / 57...150 Hz:1g)

Product density 0.5…3 kg/l / 31…187 lb/ft³

Viscosity ≤5000 mPas / ≤3.360 lb/fts

Protection category IP 66/67 equivalent to NEMA 6-6X

Material

Transmitter

Housing Aluminium

Wetted parts Stainless steel (1.4404 / 316 L)

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Process fitting Stainless steel (1.4404 / 316 L)

Gaskets Viton® (-40…+200°C / -40…+390°F); Kalrez® 6375 (-20…+200°C / -5…+390°F)

Weather protection (Option) Stainless steel (1.4301 / 304)

Bypass chamber

Chamber Stainless steel (1.4404 / 316 L)

Gaskets Klingerit (-196…+400°C / -320…+750°F)

Conformity to pressure equipment directives PED 97/23/EC

Pressure vessel construction code CODAP® 2000

Process connections

Flange DN15…50 (PN40); ½"…2" (150 lb / 300 lb)

Other connections

Drain G (unmapped Character \x215c); options: G ½; NPT (unmapped Character \x215c), ½, ¾; DN15, 25 (PN40) ½"…1" (150 lb / 300 lb)

Vent DN25 (PN40); 1" (150 lb / 300 lb) 1

Electrical connections

Terminals output 1 - Non-Ex / EEx i 24 VDC (14…30 VDC)

Terminals output 1 - EEx d 24 VDC (20…36 VDC)

Terminals output 2 - Non-Ex/ EEx i/ EEx d 24 VDC (10…30 VDC)

Cable entry M20x1.5; NPT ½"; G ½"

Terminals 0.5…1.5 mm²

Human interface

Display 1 9 lines, 160 x 160 pixels in 8-step greyscale with 4-button keypad

Display 2 Indicator column - magnetically-coupled, yellow/black rotating flaps

Operating languages English and a 2nd language: German, French, Italian, Spanish, Portuguese, Japanese, Chinese (Mandarin) or Russian

Approvals

ATEX ATEX II G 1 EEx ia IIC T6; ATEX II G 1/2 EEx d IIC T6

Options and Accessories

Options Integrated LCD display;

2nd current output;

Flushing system 2

Indicator scale units - m+cm, ft+in or % 3

Accessories Weather protection; Limit switches; Antenna extensions 4

1 optional

2 supplied with NPTF ¼ connection

3 volume graduation on request

4 for long antenna versions only

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Dimensions and Weights

Note:

• Cable glands are delivered on demand with non-Ex, EEx i- and EEx d-approved devices.

• Non-Ex and EEx i fittings are plastic and EEx d fittings are metallic. Non-Ex fittings are black and EEx i

fittings are blue.

• The diameter of the outer sheath of the cable must be 6…12 mm or 0.2…0.5".

1 Optional drain with flange connection

2 Optional drain with G or NPT plug

3 Optional MS20 Standard or Exi limit switch

4 Optional MS15 limit switch

5 Optional MS15 Exd limit switch

6 Optional vent with flange connection

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Dimensions in mm

Dimensions in inches

Weight in kg and lbs

Dimensions [mm]

a b c d e f g h i k L m n p r s t u

Bypass chamber C 1

165 260 217 2952

116 115 72 180 Ø109

305 500…

6000

Ø165

1403

1464

1005

986

Ø72x 2.3

Ø130

1 with two side process connections

2 with optional drain

3 with optional vent

4 with optional MS15 Exd limit switch

5 with optional MS15 Std. limit switch

6 with optional MS20 Std./Exi limit switch

Dimensions [inches]

a b c d e f g h i k L m n p r s t u

Bypass chamber C 1

6.5 10.2 8.5 11.62

4.6 4.5 2.8 7.0 Ø4.3 12.0 20…236

Ø6.5 5.53

5.74

4.05

3.96

Ø2.8x

0.09

Ø5.1

1 with two side process connections

2 with optional drain

3 with optional vent

4 with optional MS15 Exd limit switch

5 with optional MS15 Std. limit switch

6 with optional MS20 Std./Exi limit switch

Converter and chamber Weight when L=1000 mm Weight when L=40 inches

Weight for every additional 100 mm

Weight for every additional 4 inches

Chamber type [kg] [lbs] [kg] [lbs]

Bypass chamber C 1 23.9 52.7 0.5 1.1

1 has two side process connections

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Note:

• Cable glands are delivered on demand with non-Ex, EEx i- and EEx d-approved devices.

• Non-Ex and EEx i fittings are plastic and EEx d fittings are metallic. Non-Ex fittings are black and EEx i

fittings are blue.

• The diameter of the outer sheath of the cable must be 6…12 mm or 0.2…0.5".

1 Optional MS20 Standard or Exi limit switch

2 Optional MS15 limit switch

3 Optional MS15 Exd limit switch

4 Optional vent with flange connection

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Dimensions in mm

Dimensions in inches

Weight in kg and lbs

Dimensions [mm]

a b f g h i k L m n p r s t u

Bypass chamber F 1

165 260 115 72 180 Ø109 305 500…6000

Ø165 1402

1463

1004

98 5 Ø72 x2.3

Ø130

1 with top side and bottom in-line process connections

2 with optional vent

3 with optional MS15 Exd limit switch

4 with optional MS15 Std. limit switch

5 with optional MS20 Std./Exi limit switch

Dimensions [inches]

a b f g h i k L m n p r s t u

Bypass chamber F 1

6.5 10.2 4.5 2.8 7.0 Ø4.3 12.0 20…236

Ø6.5 5.5 2 5.7 3 4.0 4 3.9 5 Ø2.8 x0.09

Ø5.1

1 with top side and bottom in-line process connections

2 with optional vent

3 with optional MS15 Exd limit switch

4 with optional MS15 Std. limit switch

5 with optional MS20 Std./Exi limit switch

Converter and chamber Weight when L=1000 mm Weight when L=40 inches

Weight for every additional 100 mm

Weight for every additional 4 inches

Chamber type [kg] [lbs] [kg] [lbs]

Bypass chamber F 1 23.9 52.7 0.5 1.1

1 has top side and bottom in-line process connections

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KROHNE Product Overview

Addresses:

Germany

Northern sales office

KROHNE Messtechnik GmbH & Co. KG Bremer Str. 133D-21073 HamburgPhone:+49 (0)40 767 3340 Fax:+49 (0)40 767 33412 nord@krohne.de ZIP code: 10000 - 29999, 49000 - 49999

Western and middle sales office

KROHNE Messtechnik GmbH & Co. KGLudwig-Krohne-StraßeD-47058 DuisburgPhone:+49 (0)203 301 416 Fax:+49 (0)203 301 10416 west@krohne.de ZIP code: 30000 - 34999, 37000 - 48000, 50000 - 53999, 57000 - 59999, 98000 - 99999

Southern sales office

KROHNE Messtechnik GmbH & Co. KG Landsberger Str. 392 D-81241 Munich Phone:+49 (0)89 121 5620 Fax:+49 (0)89 129 6190 sued@krohne.deZIP code: 0 - 9999, 80000 - 89999, 90000 - 97999

Southwestern sales office

KROHNE Messtechnik GmbH & Co. KG Rüdesheimer Str. 40 D-65239 Hochheim/Main Phone: +49(0)6146) 827 30 Fax:+49 (0)6146 827 312 rhein-main@krohne.de ZIP code: 35000 - 36999, 54000 - 56999, 60000 - 79999

Instrumentation and control

equipment catalog

TABLAR Messtechnik GmbH Ludwig-Krohne-Straße 5D-47058 Duisburg Phone:+49 (0)2 03 305 880 Fax:+49 (0)2 03 305 8888 kontakt@tablar.de www.tablar.de

KROHNE sales

companies

International

Australia

KROHNE Australia Pty Ltd Quantum Business Park 10/287Victoria Rd Rydalmere NSW 2116 Phone: +61 2 8846 1700 Fax: +61 2 8846 1755 krohne@krohne.com.au

Austria

KROHNE Austria Ges.m.b.H.Modecenterstraße 14A-1030 ViennaPhone:+43 (0)1/203 45 32Fax:+43 (0)1/203 47 78info@krohne.at

Belgium

KROHNE Belgium N.V.Brusselstraat 320 B-1702 Groot Bijgaarden Phone:+32 (0)2 4 66 00 10 Fax:+32 (0)2 4 66 08 00 krohne@krohne.be

Brazil

KROHNE Conaut Controles Automaticos Ltda. Estrada Das Águas Espraiadas, 230 C.P. 56 06835 - 080 EMBU - SP Phone:+55 (0)11-4785-2700 Fax:+55 (0)11 4785-2768 conaut@conaut.com.br

China

KROHNE Measurement Instruments (Shanghai) Co. Ltd., (KMIC)Room 15011033 Zhaojiabang RoadShanghai 200030Phone: +86 21 6487 9611Fax:+86 21 6438 7110info@krohne-asia.com

Czech Republic

Sobíšická 15663800 BrnoPhone: +420 (0)545.242 627Fax: +420 (0)545 220 093brno@krohne.cz

France

KROHNE S.A.S.Les Ors BP 98F-26103 ROMANS CedexPhone:+33 (0)4 75 05 44 00Fax:+33 (0)4 75 05 00 48info@krohne.fr

Great Britain

KROHNE Ltd.Rutherford Drive Park Farm Industrial Estate WellingboroughNorthants NN8 6AEPhone:+44 (0)19 33 408 500Fax:+44 (0)19 33 408 501info@krohne.co.uk

CIS

Kanex KROHNE Engineering AGBusiness-Centre PlanetaOffice 404 ul.Marxistskaja 3109147 Moscow/RussiaPhone:+7 (0)095 911 7165Fax:+7 (0)095 742 8873krohne@dol.ru

India

Krohne Marshall Ltd. A-34/35, M.I.D.C. Industrial Area,H-BlockPimpri Poona 411018Phone:+91 (0)202 744 2020Fax:+91 (0)202 744 2020pcu@vsnl.net

Iran

KROHNE Liaison OfficeNorth Sohrevardi Ave. 26,Sarmad St., Apt. #9Tehran 15539Phone: +9821 8874 5973Fax: +9821 8850 1268krohne@krohneiran.com

Italy

KROHNE Italia Srl. Via V. Monti 75I-20145 MilanPhone:+39 02 4300 661Fax:+39 02 4300 6666info@krohne.it

Korea

KROHNE KoreaRoom 508 Miwon Bldg 43Yoido-Dong Youngdeungpo-KuSeoul, KoreaPhone: 00-82-2-782-1900Fax: 00-82-2-780-1749krohnekorea@krohnekorea.com

Netherlands

KROHNE Nederland B.V.Kerkeplaat 14NL-3313 LC DordrechtPhone:+31 (0)78 630 6200Fax:+31 (0)78 630 6405Service Direct: +31 (0)78 630 6222info@krohne.nl

Norway

KROHNE Norway A.S. Ekholtveien 114NO-1521 MossPhone:+47 (0)69 264 860Fax:+47 (0)69 267 333postmaster@krohne.no

Poland

KROHNE Endra Sp.z.o.o.ul. Stary Rynek Oliwsiki 8a80-324 GdanskPhone: +48 (0)58 520 9211Fax.:+48 (0)58 520 9212wendraszka@krohne.pl

Switzerland

KROHNE AGUferstr. 90CH-4019 BaselPhone:+41 (0)61 638 30 30Fax:+41 (0)61 638 30 40info@krohne.ch

Singapore

Tokyo Keiso - KROHNE (Singapore) Pte. Ltd.14, International Business Park, Jurong EastChiyoda Building, #01-01/02Singapore 609922Phone: (65) 6567 4548Fax : (65) 6567 9874tks@tokyokeiso-krohne.com.sg

Republic of South Africa

KROHNE Pty. Ltd.163 New RoadHalfway House Ext 13MidrandPhone: +27 (0)11 315 2685Fax: +27 (0)11 805 0531midrand@krohne.co.za

Spain

I.I. KROHNE IBERIA, S.r.l.Poligono Industrial NiloCalle Brasil, nº. 528806 Alcalá de Henares MadridPhone: +34 (0)91 883 2152Fax: +34 (0)91 883 4854 krohne@krohne.es

USA

KROHNE, Inc.7 Dearborn RoadPeabody, MA 01960Phone: +1 (800) FLOWINGPhone: +1 (978) 535 6060 (in MA)info@krohne.com

Representatives

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Other countries

KROHNE Messtechnik GmbH & Co. KGLudwig-Krohne-Str. 5D-47058 DuisburgPhone:+49 (0)203 301 0Fax:+49 (0)203 301 389 export@krohne.de

• Electromagnetic flowmeters • Level measuring instruments

• Variable area flowmeters • Pressure gauges

• Mass flowmeters • Temperature measuring instruments

• Ultrasonic flowmeters • Water solutions & analysis

• Vortex flowmeters • Oil and gas turnkey solutions

• Flow controllers

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